Pressure switch



FIG. 1 shows a front view of a pressure switch showing our new design;

FIG. 2 shows a rear view thereof;

FIG. 3 shows a top view thereof;

FIG. 4 shows a bottom view thereof;

FIG. 5 shows a left side view thereof;

FIG. 6 shows a right side view thereof; and,

FIG. 7 shows a perspective view thereof.

The broken line showing in the figure drawings is included for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a pressure switch, as shown and described. 